The 2D face unlock available on Android phones is restricted to unlocking the screen. A few exceptions exist. Most notably, the Pixel 4 featured similar hardware to Apple’s iPhones.

Face ID data is only stored on the iPhone's secure enclave chip, much like Touch ID The data consists of 2D face images, a depth map of the face using infrared dots, and a 2D infrared image.

There are quite a few options available for unlocking your smartphone including using a PIN number or a fingerprint scanner. Then there’s the basic, 2D face recognition feature we have seen on ...